LG LD40EY5 Service Manual

LG LD40EY5 Manual

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  • LG LD40EY5 | Service Manual - Page 1
    http://biz.LGservice.com Dehumidifier SERVICE MANUAL MODELS: DH300EY5/DH305Y5/DH300MY5 LD40Y5/DH400MY5 DH404EY5/DH400EY5/LD40EY5 DH504ELY5/LD50ELY5 LD65ELY5 CAUTION - BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. - ONLY FOR AUTHORIZED SERVICE.
  • LG LD40EY5 | Service Manual - Page 2
    PANEL ...15 3.2.8 FAN AND MOTOR...16 3.2.9 DRAIN PAN ...16 3.3 REFRIGERATING CYCLE ...17 3.3.1 CONDENSER, EVAPORATOR AND CAPILLARY TUBE 17 3.3.2 ROTARY COMPRESSOR ...17 3.4 HOW TO REPLACE REFRIGERATION SYSTEM 18 4. TROUBLESHOOTING GUIDE 20 5. EXPLODED VIEWS ...22 6. REPLACEMENT PARTS LIST 28 -2-
  • LG LD40EY5 | Service Manual - Page 3
    Service Manual provides various service information, including the mechanical and electrical parts. This dehumidifier was manufactured and assembled under the strict quality control procedures. The refrigerant is charged at the factory. Be sure to read the safety precaution prior to servicing Drain
  • LG LD40EY5 | Service Manual - Page 4
    , DH300MY5 DH400MY5,LD40Y5 - - DH300EY5 DH404Y5 DH504ELY5 LD65ELY5 DH400EY5,LD40EY5 LD50ELY5 1.4 SPECIFICATIONS ITEMS MODELS POWER SUPPLY(Phase,V,Hz) INPUT(W) RUNNING CURRENT(A) ENERGY FACTOR(L/kw.h) REFRIGERANT REFRIGERANT CHARGE, oz(g) OPEN THERMISTOR CLOSE SOLENOID VALVE* COMPRESSOR
  • LG LD40EY5 | Service Manual - Page 5
    to a higher setting. MAX is the highest setting. • When excess moisture and dampness odors are gone, adjust the control to a lower setting. Use the dehumidifier as long as excess moisture is present. Fan Speed • The fan control adjusts the fan speed. Set the fan control to HIGH for maximum moisture
  • LG LD40EY5 | Service Manual - Page 6
    drawn over a cold refrigerated dehumidifying coil. Moisture in the air condenses on this coil and drains into a bucket (or through the bucket into a hose and drain). Dry, clean air feature in the DH504EL, DH50EL and DH65EL models will continuously cycle up to a temperature of 42°F(6°C). -6-
  • LG LD40EY5 | Service Manual - Page 7
    Humidity Control toward Off. The relative humidity range is from 20% to 80%. (See Figure 6) Turn the Humidity Control to Off to stop the unit manually. 1.6.5.2 Electronic Type The humidity control can be set 'on' or 35%-70% RH(Relative Humidity) for normal operation. (See Figure 7) If you need drier
  • LG LD40EY5 | Service Manual - Page 8
    DH305Y5,DH300MY5 6411A20001Z 6600FX5001G 4681A20040Q 0CZZA20005J 2520UCBS005 6750U-L082A 6871A20289B 6877A30013L 6601A30001B 6600A30003C 6871A10142A Q'TY REPER SET MARKS 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS -8-
  • LG LD40EY5 | Service Manual - Page 9
    , MICRO 9 PWB(PCB) ASSEMBLY, MAIN PART NO. DH300EY5 6411A20001Z 4681A20040Q 0CZZA20005J 2520UCBS005 6750U-L082A 6871A20482A 6877A30013L 6600A30003C 6871A10141A Q'TY REPER SET MARKS 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS -9-
  • LG LD40EY5 | Service Manual - Page 10
    10 SWITCH ASSEMBLY, MICRO 11 PWB(PCB) ASSEMBLY, MAIN PART NO. DH400MY5/LD40Y5 6411A20001Z 6600FX5001G 4681A20040J 0CZZA20005N 2520UCAS003 6750U-L103A 6871A20289B 6877A30013M 6601A30001C 6600A30003C 6871A10142A S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS -10- Q'TY REPER SET MARKS
  • LG LD40EY5 | Service Manual - Page 11
    7 SENSOR ASSEMBLY 8 SWITCH ASSEMBLY,MICRO 9 PWB(PCB) ASSEMBLY,MAIN PART NO. DH404EY5/DH400EY5 LD40EY5 6411A20001Z 4681A20040J 0CZZA20005N 2520UCAS003 6750U-L103A 6871A20482A 6877A30013M 6600A30003C 6871A10141A S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS -11- Q'TY REPER SET MARKS
  • LG LD40EY5 | Service Manual - Page 12
    • MODEL : DH504ELY5/LD50ELY5/LD65ELY5 NO. DESCRIPTION PART NO. DH504ELY5/LD50ELY5 LD65ELY5 1 POWER CORD 9 PWB(PCB) ASSEMBLY, MAIN 6871A10141C 10 COIL ASSEMBLY, SOLENOID 6421A20003K S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS Q'TY REPER SET MARKS 1 S 1 S 1 S 1 S
  • LG LD40EY5 | Service Manual - Page 13
    3. DISASSEMBLY INSTRUCTIONS 3.1 MECHANICAL PARTS 3.1.1 BUCKET AND AIR FILTER 1. Turn the Humidity Control off(Mechanical type) or press the power button off. (Electronic type) 2. Disconnect the power supply. 3. Remove the
  • LG LD40EY5 | Service Manual - Page 14
    3.2 CONTROL PARTS 3.2.1 POWER CORD ASSEMBLY 1. After opening the control box, remove the screw that holds the ground wire. ( . 3.2.5 MICRO SWITCH ASSEMBLY 1. Turn the nut counterclockwise and pull out the micro switch from the drain pan. (See Figure 18) -14- Figure 15 Figure 16 Figure 17 Figure 18
  • LG LD40EY5 | Service Manual - Page 15
    (PCB) ASSEMBLY, DISPLAY after turning over both hooks of the display cover. 3.2.6.2 CONTROL PANEL - Electronic Type (DH300EY5/DH404EY5/DH400EY5/LD40EY5/DH504ELY5/ LD50ELY5/LD65ELY5) 1. Disconnect the housing of the PWB(PCB) ASSEMBLY, DISPLAY from PWB(PCB) ASSEMBLY, MAIN (3.1.3). 2. Remove 6 screws
  • LG LD40EY5 | Service Manual - Page 16
    Unfasten 3 screws that secure the Motor and earth wire. (See Figure 23) 5. Remove the Motor. 3.2.9 SHROUD AND DRAIN PAN 1. Discharge the refrigerant by using a refrigerant Recovery System. 2. After purging the unit completely, unbrace the Discharge and the Suction tube connected compressor carefully
  • LG LD40EY5 | Service Manual - Page 17
    a refrigerant Recovery System. 2. After purging the unit completely, unbraze the suction and discharge tubes at the compressor connections. 3. Remove the nuts and washers which fasten the compressor. (See Figure 29) 4. Remove the compressor. (See Figure 29) Using Rotary Compressor models Figure
  • LG LD40EY5 | Service Manual - Page 18
    TO REPLACE THE REFRIGERATION SYSTEM 1. When replacing a refrigeration component, be sure to discharge the refrigerant system by using a refrigerant recovery system. 2. After discharging the unit completely, remove the desired component, and unbraze the pinch-off tubes. 3. Solder service valves into
  • LG LD40EY5 | Service Manual - Page 19
    , brazing equipment. pinch-off tool capable of making a vapor-proof seal, leak detector, tubing cutter, hand tools to remove components, service valve. EVAPORATOR ASSEMBLY (LOW PRESSURE SIDE) CONDENSER ASSEMBLY (HIGH PRESSURE SIDE) COMPOUND GAUGE MANIFOLD GAUGE A B CAPILLARY TUBE SEE INSETS
  • LG LD40EY5 | Service Manual - Page 20
    4. TROUBLESHOOTING GUIDE CONDITION 1. Dehumidifier does not start. (Both compressor and fan motor do Does not defrost control. 4. Insufficient dehumidification Capacitor (Discharge capacitor before servicing.) Compressor Overload protector (OLP) Defrost control is defective. Low relative humidity
  • LG LD40EY5 | Service Manual - Page 21
    pressures not equalized Capacitor Wiring Refrigeration system Stuck compressor Overload protector properly positioned on the hangers of the drain pan. Check connection and repair. Replace volts. If intermittent, provide new supply. Move dehumidifier for free and unobstructed air flow. Clean dust or
  • LG LD40EY5 | Service Manual - Page 22
    5. EXPLODED VIEWS • MODEL: DH305Y5/DH300MY5 149980 W0CZZ-2 554030 354210 349600 359012 346811 149410 268711-1 266002 266003 135312 238310 ShuAt-uOtfof 3 4 5 2 6 1 Hu Off midi ty ContrMoal x 9 7 8 High Fan Speed
  • LG LD40EY5 | Service Manual - Page 23
    • MODEL: DH300EY5 554030 354210 349600 149980 359012 235512 268711-1 346811 135312 238310 435300 131400 436500 W0CZZ-2 268711-2 249950 264110 165010 352113 148391 152302 266010 35211A 144410 752140 330870 130410 567502 554160 -23- 550140 552111
  • LG LD40EY5 | Service Manual - Page 24
    • MODEL: DH400MY5/LD40Y5 149980 W0CZZ-2 554030 354210 349600 359012 346811 135312 149410 268711-1 266003 266002 238310 ENERGY STAR ShuAt-uOtfof Off Humidity ControMl ax Fan Speed
  • LG LD40EY5 | Service Manual - Page 25
    • MODEL: DH404EY5/DH400EY5/LD40EY5 149980 554030 354210 349600 359012 235512 268711-1 346811 135312 238310 435300 131400 436500 W0CZZ-2 268711-2 249950 264110 165010 352113 148391 152302 266010 144410 -25- 35211A 752140 330870 130410 567502 554160 550140 552111
  • LG LD40EY5 | Service Manual - Page 26
    • MODEL: DH504ELY5/LD50ELY5 149980 W0CZZ-2 554030 354210 349600 359012 268711-2 235512 268711-1 346811 135312 238310 435300 131400 436500 152302 266010 752140 249950 264110 165010 35211A 552204 352113 330870 567502 130410 554160 148391 144410 -26- 550140
  • LG LD40EY5 | Service Manual - Page 27
    • MODEL: LD65ELY5 554030 354210 349600 149980 359012 235512 268711-1 346811 135312 238310 435300 131400 436500 148391 152302 266010 752140 330870 130410 144410 -27- W0CZZ-2 268711-2 249950 264110 165010 552204 35211A 352113 567502 554160 550140
  • LG LD40EY5 | Service Manual - Page 28
    6. REPLACEMENT PARTS LIST • MODEL: DH305Y5/DH300MY5 LOCATION NO. DESCRIPTION PART NO. DH305Y5/DH300MY5 130410 131400 135312 330870 235512 752140 550140 149980 435300 BASE ASSEMBLY CABINET FRONT GRILLE,ASSEMBLY DRAIN PAN ASSEMBLY TANK ASSEMBLY,BUCKET KNOB ASSEMBLY FILTER(MECH),AIR SENSOR
  • LG LD40EY5 | Service Manual - Page 29
    • MODEL: DH300EY5 LOCATION NO. DESCRIPTION 235512 752140 550140 149980 435300 BASE ASSEMBLY CABINET FRONT GRILLE,ASSEMBLY DRAIN PAN ASSEMBLY TANK ASSEMBLY,BUCKET FILTER(MECH),AIR SENSOR ASEMBLY CONTROL CONNECTOR BUSHING SHROUD REAR GRILLE PART NO. DH300EY5 3041A10042A 3090A10042A 3531A10254F
  • LG LD40EY5 | Service Manual - Page 30
    • MODEL: DH400MY5/LD40Y5 LOCATION 550140 149980 435300 BASE ASSEMBLY CABINET FRONT GRILLE,ASSEMBLY DRAIN PAN ASSEMBLY TANK ASSEMBLY,BUCKET KNOB ASSEMBLY FILTER(MECH), HOSE,CONNECTOR BUSHING SHROUD REAR GRILLE PART NO. DH400MY5/LD40Y5 3041A10042B 3090A10042A "B:LG/E:Goldstar" "E:Goldstar/K:LG"
  • LG LD40EY5 | Service Manual - Page 31
    • MODEL: DH404E Y5/DH400EY5/LD40EY5 LOCATION NO. DESCRIPTION 550140 149980 435300 BASE ASSEMBLY CABINET FRONT GRILLE,ASSEMBLY DRAIN PAN ASSEMBLY TANK ASSEMBLY,BUCKET FILTER(MECH),AIR SENSOR REAR GRILLE PART NO. DH404EY5/DH400EY5/LD40EY5 3041A10042B 3090A10042A Goldstar/E:LG" "A:Goldstar/J:LG" -
  • LG LD40EY5 | Service Manual - Page 32
    • MODEL: DH504ELY5/LD50ELY5 LOCATION NO 752140 550140 149980 435300 BASE ASSEMBLY CABINET FRONT GRILLE,ASSEMBLY DRAIN PAN ASSEMBLY TANK ASSEMBLY,BUCKET FILTER(MECH),AIR SENSOR CONNECTOR BUSHING SHROUD REAR GRILLE PART NO. DH504ELY5/LD50ELY5 3041A10042A "A:Goldstar/E:LG" "A:Goldstar/J:LG" -32
  • LG LD40EY5 | Service Manual - Page 33
    • MODEL: LD65ELY5 LOCATION NO. DESCRIPTION 130410 752140 550140 149980 435300 BASE ASSEMBLY CABINET FRONT GRILLE,ASSEMBLY DRAIN PAN ASSEMBLY TANK ASSEMBLY,BUCKET FILTER(MECH),AIR SENSOR ASEMBLY HOSE,CONNECTOR BUSHING SHROUD REAR GRILLE PART NO. LD65ELY5 3041A10042A 3090A10042A 3531A10254E
  • LG LD40EY5 | Service Manual - Page 34
    P/No : 3828A31001 January, 2005 Printed in China
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Dehumidifier
SERVICE MANUAL
MODELS: DH300EY5/DH305Y5/DH300MY5
LD40Y5/DH400MY5
DH404EY5/DH400EY5/LD40EY5
DH504ELY5/LD50ELY5
LD65ELY5
CAUTION
- BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
- ONLY FOR AUTHORIZED SERVICE.